ACCIPITRES. 235 



37. MoiiPHiNUS. Tail feathers nearly equal. Fako 

 ^uianensis. 



(b.) Head plain. 



Tail divided. Tarsi short, bill, toes, and claws, weak in 

 proportion to the body. Wings exceed the tail in length. 



38. Elanus. Tarsi half feathered, reticulated. Falco 

 furcaUiS. 



39. MiLvus. Kite. Tarsi plated. F. milvus. 



Tail entire. 



(1.) Between the eye and the bill, closely covered with 

 short feathers. 



40. Pernis. Honey-buzzard, Tarsi half feathered and 

 reticulated. F. apivorus. 



(2.) Between the eye and the bill naked, or covered with 

 hair. 



Bill straight at the base, and then bent at the tip. Wings 

 reaching the length of the tail, when at rest. 



41. Aguila. Tarsi feathered to the toes. F. chrysae- 

 tos. 



42. Hali.etus. Tarsi half feathered and plated. F. 

 ossifragus. 



Bill bent from the base. 



Wings reaching to the extremity of the tail. Tarsi 

 plated. 



43. CiECUs. Feathers of the ears forming a collar from 

 behind the eyes to the throat. F. pygargus. 



44. BuTEo. Buzzard. Without a collar. 



Tarsi lengthened. Wings not reaching to the end of 

 the tail. 



45. Nisus. Sparrow-hawk. Bill with a sharp notch, 

 Tarsi plated. F. Nisus. 



